object ScalaVarDemo01 {
  def main(args:Array[String]):Unit ={
    var a: Int = 10
    var b:Int = 20
    b+30;
    println("a="+a)
    println("b="+b)

    var age:Int=10
    var sal:Double=11.2
    var name:String="tom"
    var isPass:Boolean=true

    var score :Float =99.99F
    println(s"$name 今年 $age 岁了 , 薪资为$sal 绩效为 $score 是否涨工资 $isPass")
  }
}
